Cannot log in to the admin, no error message [closed]

Try to disable the plugins via the database running this query in your MySQL:

 UPDATE wp_options SET option_value="a:0:{}" WHERE option_name="active_plugins";

Also, try to enable error debugging in your wp-config.php file adding this line:

define( 'WP_DEBUG', true );

Also, could you paste a copy of your .htaccess file?

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